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Manual Dell P21T

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  • Dell P21T - page 1

    Dell Latitude 3150 Owner's Manual Regulatory Model: P21T Regulatory Type: P21T001 ...

  • Dell P21T - page 2

    Notes, Cautions, and Warnings NOTE: A NOTE indicates important information that helps you make better use of your computer. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. Copyright © 201 ...

  • Dell P21T - page 3

    Contents 1 Working on Your Computer................................................................................ 5 Before Working Inside Your Computer ................................................................................................ 5 Turning Off Your Computer ....................................................................... ...

  • Dell P21T - page 4

    Installing the Heatsink ......................................................................................................................... 27 Removing the System Board .............................................................................................................. 28 Installing the System Board ................................. ...

  • Dell P21T - page 5

    1 Working on Your Computer Before Working Inside Your Computer Use the following safety guidelines to help protect your computer from potential damage and to help to ensure your personal safety. Unless otherwise noted, each procedure included in this document assumes that the following conditions exist: • You have read the safety information that ...

  • Dell P21T - page 6

    3. If the computer is connected to a docking device (docked), undock it. CAUTION: To disconnect a network cable, first unplug the cable from your computer and then unplug the cable from the network device. 4. Disconnect all network cables from the computer. 5. Disconnect your computer and all attached devices from their electrical outlets. 6. Close ...

  • Dell P21T - page 7

    * On the Home screen, click and then select Shut down . • In Windows 7: 1. Click Start . 2. Click Shut Down. or 1. Click Start . 2. Click the arrow in the lower-right corner of the Start menu as shown below, and then click Shut Down . 2. Ensure that the computer and all attached devices are turned off. If your computer and attached devices did no ...

  • Dell P21T - page 8

    2 Removing and Installing Components This section provides detailed information on how to remove or install the components from your computer. Recommended Tools The procedures in this document may require the following tools: • Small flat-blade screwdriver • #0 Phillips screwdriver • #1 Phillips screwdriver • Small plastic scribe Removing t ...

  • Dell P21T - page 9

    Installing the Base Cover 1. Place the base cover to align with the screw holders on the computer. 2. Tighten the screws to secure the base cover to the computer. 3. Follow the procedures in After Working Inside Your Computer . Removing the Battery 1. Follow the procedures in Before Working Inside Your Computer . 2. Remove the base cover . 3. To re ...

  • Dell P21T - page 10

    Installing the Battery 1. Insert the battery into its place on the computer. 2. Connect the battery cable to its connector on the system board. 3. Fix the adhesive tape to secure the battery cable. 4. Tighten the screws to secure the battery to the computer. 5. Install the base cover . 6. Follow the procedures in After Working Inside Your Computer ...

  • Dell P21T - page 11

    Installing the Audio Board 1. Insert the audio board into its place on the computer. 2. Tighten the screw to secure the audio board to the computer. 3. Connect the audio-board cable to its connector on the system board. 4. Install the: a. battery b. base cover 5. Follow the procedures in After Working Inside Your Computer . Removing the Display Ass ...

  • Dell P21T - page 12

    4. Remove the screws that secure the display hinges to the computer [1] and open the display [2]. 5. Pull the keyboard base assembly away from the display assembly to separate them. 12 ...

  • Dell P21T - page 13

    Installing the Display Assembly 1. Place the display assembly on the computer chassis. 2. Adjust the display hinges to align with the screw holders on the computer chassis. 3. Tighten the screws to secure the display assembly to the computer. 4. Connect the display cable to its connector on the system board. 5. Place the metal bracket to secure the ...

  • Dell P21T - page 14

    4. Pry the edges to release the display bezel [1] and remove the display bezel from the display assembly [2]. Installing the Display Bezel 1. Place the display bezel on the display assembly. 2. Starting from the top corner, press on the display bezel and work around the entire bezel until it snaps on to the display assembly. 3. Tighten the screws t ...

  • Dell P21T - page 15

    b. battery c. base cover 6. Follow the procedures in After Working Inside Your Computer . Removing the Display Panel 1. Follow the procedures in Before Working Inside Your Computer . 2. Remove the: a. base cover b. battery c. display assembly d. display bezel 3. To release the display panel from the display assembly: a. Remove the screws that secur ...

  • Dell P21T - page 16

    5. Disconnect the eDP cable from its connector [1] and remove the display panel from the display assembly [2]. Installing the Display Panel 1. Connect the eDP cable to its connector and fix the adhesive tape. 2. Place the display panel to align with the screw holders on the display assembly. 3. Tighten the screws to secure the display panel to the ...

  • Dell P21T - page 17

    Installing the Camera 1. Insert the camera into its place on the display assembly. 2. Connect the camera cable to its connector on the display assembly. 3. Install the: a. display bezel b. display assembly c. battery d. base cover 4. Follow the procedures in After Working Inside Your Computer . Removing the Power-Connector Port 1. Follow the proced ...

  • Dell P21T - page 18

    Installing the Power-Connector Port 1. Insert the power-connector port into its place on the computer. 2. Connect the power-connector port cable to its connector on the system board. 3. Install the: a. display assembly b. battery c. base cover 4. Follow the procedures in After Working Inside Your Computer . Removing the Hard-Drive Assembly 1. Follo ...

  • Dell P21T - page 19

    4. Remove the hard-drive assembly from the computer. 5. Pull to release the hard-drive cable from its connector on the hard-drive assembly. 19 ...

  • Dell P21T - page 20

    6. Remove the screws that secure the hard-drive bracket to the hard drive [1] and remove the hard drive from the hard-drive bracket [2]. Installing the Hard-Drive Assembly 1. Place the hard drive within the hard-drive assembly, align the screw holders, and tighten the screws to secure the hard-drive bracket. 2. Connect the hard-drive cable to its c ...

  • Dell P21T - page 21

    a. battery b. base cover 7. Follow the procedures in After Working Inside Your Computer . Removing the LED Board 1. Follow the procedures in Before Working Inside Your Computer . 2. Remove the: a. base cover b. battery c. hard-drive assembly 3. Perform the following steps: a. Disconnect the LED board cable from its connector on the system board [1] ...

  • Dell P21T - page 22

    b. battery 3. Pry the clips securing the memory module until the memory pops-up and remove the memory from the system board. Installing the Memory 1. Insert the memory on the memory socket until the clips secure the memory. 2. Install the: a. battery b. base cover 3. Follow the procedures in After Working Inside Your Computer . Removing the Coin-Ce ...

  • Dell P21T - page 23

    Installing the Coin-Cell Battery 1. Insert the coin-cell battery in its place on the computer. 2. Route the coin-cell battery cable along its routing channels. 3. Fix the adhesive tape to secure the coin-cell battery cable. 4. Connect the coin-cell battery cable to its connector on the system board. 5. Install the: a. battery b. base cover 6. Follo ...

  • Dell P21T - page 24

    Installing the Keyboard Trim 1. Insert the keyboard trim to the keyboard until it snaps in its place. 2. Follow the procedures in After Working Inside Your Computer . Removing the Keyboard 1. Follow the procedures in Before Working Inside Your Computer . 2. Remove the: a. battery b. base cover c. keyboard trim NOTE: After removing the keyboard trim ...

  • Dell P21T - page 25

    5. Perform the following steps: a. Pry the keyboard to release it from the computer [1]. b. Remove the keyboard from the computer [2]. Installing the Keyboard 1. Place the keyboard to align with the screw holders on the computer. 2. Flip the computer and connect the keyboard cable to its connector on the system board. 3. Tighten the screws to secur ...

  • Dell P21T - page 26

    Removing the WLAN Card 1. Follow the procedures in Before Working Inside Your Computer . 2. Remove the: a. base cover b. battery 3. Perform the following steps: a. Remove the screw that secures the metal bracket to the WLAN card [1]. b. Remove the metal bracket to access the WLAN cables [2]. c. Disconnect the WLAN cables from their connectors on th ...

  • Dell P21T - page 27

    4. Perform the following steps: a. Remove the screws that secure the heatsink to the system board [1] [2] [3]. b. Remove the heatsink from the system board [4]. Installing the Heatsink 1. Insert the heatsink into its place on the system board. 2. Place the metal bracket and tighten the screws to secure the metal bracket to the system board. 3. Tigh ...

  • Dell P21T - page 28

    Removing the System Board 1. Follow the procedures in Before Working Inside Your Computer . 2. Remove the: a. base cover b. battery c. memory d. heatsink 3. Disconnect the following cables from the system board [1] [2]: a. keyboard b. touchpad c. LED board d. network and speaker [3] e. hard-drive assembly [4] f. coin-cell battery and power-connecto ...

  • Dell P21T - page 29

    Installing the System Board 1. Insert the system board into its place on the computer. 2. Tighten the screws to secure the system board to the computer. 3. Connect the following cables to their connectors on the system board: a. display b. coin-cell battery and power-connector port c. hard-drive assembly d. network and speaker e. LED board f. touch ...

  • Dell P21T - page 30

    Installing the Speaker 1. Insert the speaker into its place on the computer. 2. Tighten the screws to secure the speaker to the computer. 3. Install the: a. system board b. heatsink c. memory d. battery e. base cover 4. Follow the procedures in After Working Inside Your Computer . 30 ...

  • Dell P21T - page 31

    3 System Setup System Setup enables you to manage your computer hardware and specify BIOS ‐ level options. From the System Setup, you can: • Change the NVRAM settings after you add or remove hardware • View the system hardware configuration • Enable or disable integrated devices • Set performance and power management thresholds • Manage ...

  • Dell P21T - page 32

    Table 1. Navigation Keys Keys Navigation Up arrow Moves to the previous field. Down arrow Moves to the next field. <Enter> Allows you to select a value in the selected field (if applicable) or follow the link in the field. Spacebar Expands or collapses a drop ‐ down list, if applicable. <Tab> Moves to the next focus area. NOTE: For th ...

  • Dell P21T - page 33

    Option Description Advanced Boot Options Allows you to enable the Legacy Option ROMs during the UEFI boot mode. This option is enabled by default. Date/Time Allows you to set the date and time. Table 3. System Configuration Option Description Integrated NIC Allows you to configure the integrated network controller. The options are: • Enabled UEFI ...

  • Dell P21T - page 34

    Option Description • Enable External USB Port • Enable USB 3.0 Controller Default Setting: All the options are enabled. USB PowerShare Allows you to configure the behavior of the USB PowerShare feature. The option is disabled by default. • Enable USB PowerShare Audio Allows you to enable or disable the integrated audio controller. • Enable ...

  • Dell P21T - page 35

    Option Description Default Setting: Not set Internal HDD-0 Password Allows you to set, change, or delete the administrator (admin) password. Default Setting: Not set Strong Password Allows you to enforce the option to always set strong passwords. Default Setting: Enable Strong Password is disabled. Password Configuration You can define the length o ...

  • Dell P21T - page 36

    Table 6. Secure Boot Option Description Secure Boot Enable Allows you to enable or disable the secure boot. The options are: • Disabled • Enabled (Default Setting) Expert Key Management Allows you to manipulate the security key databases only if the system is in Custom Mode. The Enable Custom Mode option is disabled by default. The options are: ...

  • Dell P21T - page 37

    Option Description • Wake on AC Auto On Time Allows you to set the time at which the computer must turn on automatically. The options are: • Disabled (Default Setting) • Every Day • Weekdays • Select Days USB Wake Support Allows you to enable the USB devices to wake the computer from standby mode. The option is disabled. • Enable USB Wa ...

  • Dell P21T - page 38

    Table 9. POST Behavior Option Description Adapter Warnings Allows you to activate the adapter warning messages when certain power adapters are used. The option is enabled by default. • Enable Adapter Warnings Keypad (Embedded) Allows you to choose one of two methods to enable the keypad that is embedded in the internal keyboard. • Fn Key Only ( ...

  • Dell P21T - page 39

    Table 11. Wireless Option Description Wireless Switch Allows you to determine which wireless device can be controlled by the wireless switch. The options are: • Bluetooth • WLAN All options are enabled by default. NOTE: For Windows 8.1 Operating System, the Wireless Switch option is directly controlled by the OS driver. So, this setting here do ...

  • Dell P21T - page 40

    Updating the BIOS It is recommended to update your BIOS (system setup), on replacing the system board or if an update is available. For laptops, ensure that your computer battery is fully charged and connected to a power outlet 1. Re-start the computer. 2. Go to dell.com/support . 3. Enter the Service Tag or Express Service Code and click Submit . ...

  • Dell P21T - page 41

    Assigning a System Password and Setup Password You can assign a new System Password and/or Setup Password or change an existing System Password and/or Setup Password only when Password Status is Unlocked . If the Password Status is Locked , you cannot change the System Password. NOTE: If the password jumper is disabled, the existing System Password ...

  • Dell P21T - page 42

    4 Technical Specifications NOTE: Offerings may vary by region. The following specifications are only those required by law to ship with your computer. For more information about the configuration of your computer, go to Help and Support in your Windows operating system and select the option to view information about your computer. System Informatio ...

  • Dell P21T - page 43

    Audio Speakers Two (2W per channel) Internal speaker amplifier Two (2W per channel) Volume controls Software program menus, media controls, and keyboard function keys Communications Network adapter 10/100/1000 Mbps Ethernet LAN Wireless • Intel Dual Band Wireless- 7265 802.11AC Wi-Fi + BT 4.0 LE Wireless Card (2x2) • Intel Dual Band Wireless- 7 ...

  • Dell P21T - page 44

    Display Horizontal HD +40/- 40 degrees Vertical HD +10/-30 degrees Pixel pitch 0.2148 mm x 0.2148 mm Keyboard Number of keys • United States and Canada: 82 keys • Europe and Brazil: 83 keys • Japan: 86 keys Touchpad Active Area: X-axis 102.40 mm (4.03 inches) Y-axis 57.40 mm (2.26 inches) Battery Type 3-cell Li-polymer (3.43 AHr) (38 Whr) Dim ...

  • Dell P21T - page 45

    AC Adapter Type 65W 65W HF-free / Non-HF free 90W (India only) Rated output voltage 19.50 VDC 19.50 VDC 19.5 VDC Dimensions: Height 22.00 mm (0.87 inch) 28.00 mm (1.10 inches) 32.00 mm (1.30 inches) Width 66.00 mm (2.60 inches) 47.00 mm (1.90 inches) 52.00 (2.00 inches) Depth 106.00 mm (4.17 inches) 108.00 mm (4.30 inches) 128.00 (5.00 inches) Temp ...

  • Dell P21T - page 46

    46 ...

  • Dell P21T - page 47

    5 Diagnostics If you experience a problem with your computer, run the ePSA diagnostics before contacting Dell for technical assistance. The purpose of running diagnostics is to test your computer's hardware without requiring additional equipment or risking data loss. If you are unable to fix the problem yourself, service and support personnel ...

  • Dell P21T - page 48

    1. Shutdown the computer. 2. Press and hold the <fn> key, while pressing the power button, and then release both. The Enhanced Pre-boot System Assessment window displays, listing all devices detected in the computer. The diagnostics starts running the tests on all the detected devices. 3. On the boot menu screen, select the Diagnostics option ...

  • Dell P21T - page 49

    Storage LED Power LED Wireless LED Fault Description Blinking Solid Blinking The display encountered a problem during initialization. Off Blinking Blinking The modem is preventing the system from completing POST Off Blinking Off Memory failed to initialize or memory is unsupported. Battery Status Lights If the computer is connected to an electrical ...

  • Dell P21T - page 50

    6 Contacting Dell NOTE: If you do not have an active Internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog. Dell provides several online and telephone-based support and service options. Availability varies by country and product, and some services may not be available in your are ...

Manufacturer Dell Category Laptop

Documents that we receive from a manufacturer of a Dell P21T can be divided into several groups. They are, among others:
- Dell technical drawings
- P21T manuals
- Dell product data sheets
- information booklets
- or energy labels Dell P21T
All of them are important, but the most important information from the point of view of use of the device are in the user manual Dell P21T.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Dell P21T, service manual, brief instructions and user manuals Dell P21T. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Dell P21T.

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A complete manual for the device Dell P21T, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Dell P21T by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Dell P21T.

A complete Dell manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Dell P21T - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Dell P21T, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Dell P21T, that we can find in the current document
3. Tips how to use the basic functions of the device Dell P21T - which should help us in our first steps of using Dell P21T
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Dell P21T
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Dell P21T in a specific country, if it was not possible to solve the problem on our own.

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